Method and apparatus for determining a poor network quality area

Abstract

Embodiments of the present disclosure provide methods and apparatuses for determining a poor network quality area. A method performed by a server comprises determining at least one poor network quality area based on network status data from at least one of at least one terminal device, a network device, or an application server. The method further comprises sending information regarding the at least one poor network quality area to a terminal device.

What is claimed is: 
     
         1 . A method performed by a server, comprising:
 determining at least one poor network quality area, for cellular Vehicle-to-Everything, C-V2X, based on network status data from at least one of:
 at least one terminal device, 
 a network device, or 
 an application server; 
   sending information regarding the at least one poor network quality area to a terminal device, wherein the information enables the terminal device to perform at least one action based on the information regarding the at least one poor network quality area, the at least one action comprising at least one of:
 reminding a driver of a poor network quality area; or 
 switching an automatic driving mode to a manual driving mode before the terminal device enters into a poor network quality area; 
   wherein the network status data comprise either:
 congestion status data, cell identifier data, time data, and network slice data; or 
 latency data, the cell identifier data, the network slice data, and the time data. 
   
     
     
         2 . The method according to  claim 1 , further comprising:
 receiving the network status data from the at least one terminal device, wherein the network status data from the at least one terminal device comprises the congestion status data, the cell identifier data, the time data, the network slice data, received signal strength data, and location data.   
     
     
         3 . The method according to  claim 1 , further comprising:
 receiving the network status data from the network device, wherein the network status data from the network device comprises the congestion status data, the cell identifier data, the time data, and the network slice data.   
     
     
         4 . The method according to  claim 1 , further comprising:
 sending a request for the network status data to the application server; and   receiving a response comprising the network status data from the application server;   wherein the network status data from the application server comprises the latency data, the cell identifier data, the network slice data and the time data.   
     
     
         5 . The method according to  claim 1 , further comprising:
 receiving a request for the at least one poor network quality area from the terminal device;   wherein the request for the at least one poor network quality area comprises location data, the time data, latency requirement data, and the network slice data.   
     
     
         6 . The method according to  claim 1 , wherein when the network status data in a network area does not fulfill a network quality requirement, the network area is determined as a poor network quality area. 
     
     
         7 . The method according to  claim 1 , further comprising:
 receiving a request for planning a route from the terminal device; and   sending a response including at least one route with poor network quality area information to the terminal device.   
     
     
         8 . The method according to  claim 1 , wherein the terminal device comprises at least one of:
 a vehicle;   a drone;   a mobile phone;   a ship;   a boat;   a plane;   a helicopter;   a bike; or   a motorcycle.   
     
     
         9 . The method according to  claim 1 , wherein the network device is a service capability exposure function, SCEF, or a network exposure function, NEF, or a combined SCEF and NEF or a network data analytics function, NWDAF; and/or
 wherein the application server is an edge application server; and/or   wherein the server is a vehicle server.   
     
     
         10 . The method according to  claim 1 , wherein the at least one poor network quality area is related to the terminal device. 
     
     
         11 . A method performed by a terminal device, comprising:
 sending network status data from the terminal device to a server, wherein the network status data comprises either:
 congestion status data, cell identifier data, time data, and network slice data; or 
 latency data, the cell identifier data, the network slice data, and the time data; 
   receiving information regarding at least one poor network quality area from the server; and   performing at least one action based on the information regarding the at least one poor network quality area, wherein performing the at least one action based on the information regarding the at least one poor network quality area comprises at least one of:
 reminding a driver of the poor network quality area; or 
 switching an automatic driving mode to a manual driving mode before the terminal device enters into a poor network quality area, 
 wherein the at least one poor network quality area is determined based on the network status data from at least one of: 
 at least one terminal device, 
 a network device, or 
 an application server. 
   
     
     
         12 . The method according to  claim 11 ,
 wherein the network status data from the terminal device comprises the congestion status data, the cell identifier data, the time data, the network slice data, received signal strength data, and location data.   
     
     
         13 . The method according to  claim 11 , further comprising:
 sending a request for planning a route to the server; and   receiving a response including at least one route with poor network quality area information from the server.   
     
     
         14 . The method according to  claim 11 , wherein the terminal device comprises at least one of:
 a vehicle;   a drone;   a mobile phone;   a ship;   a boat;   a plane;   a helicopter;   a bike; or   a motorcycle.   
     
     
         15 . The method according to  claim 11 , wherein the network device is a service capability exposure function, SCEF, or a network exposure function, NEF, or a combined SCEF and NEF or a network data analytics function, NWDAF; and/or
 wherein the application server is an edge application server; and/or   wherein the server is a vehicle server.   
     
     
         16 . The method according to  claim 11 , wherein the at least one poor network quality area is related to the terminal device. 
     
     
         17 . The method according to  claim 11 , wherein performing at least one action based on the information regarding the at least one poor network quality area comprises at least one of:
 planning a route to bypass the poor network quality area;   reminding a driver of the poor network quality area; or   switching an automatic driving mode to a manual driving mode before the terminal device enters into the poor network quality area.   
     
     
         18 . A server, comprising:
 a processor; and   a memory coupled to the processor, said memory containing instructions executable by said processor, whereby said server is operative to:
 determine at least one poor network quality area, for cellular Vehicle-to-Everything, C-V2X, based on network status data from at least one of: 
 at least one terminal device, 
 a network device, or 
 an application server; 
 send information regarding the at least one poor network quality area to a terminal device, wherein the information enables a terminal device to perform at least one action based on the information regarding the at least one poor network quality area, the at least one action comprising at least one of: 
 reminding a driver of a poor network quality area; or 
 switching an automatic driving mode to a manual driving mode before the terminal device enters into the poor network quality area; 
   wherein the network status data comprises either:
 congestion status data, cell identifier data, time data, and network slice data; or 
 latency data, the cell identifier data, the network slice data, and the time data. 
   
     
     
         19 . A terminal device, comprising:
 a processor; and   a memory coupled to the processor, said memory containing instructions executable by said processor, whereby said terminal device is operative to:
 send network status data from the terminal device to a server, wherein the network status data comprises either:
 congestion status data, cell identifier data, time data, and network slice data; or 
 latency data, the cell identifier data, the network slice data, and the time data; 
 
 receive information regarding at least one poor network quality area from a server; and 
 perform at least one action based on the information regarding the at least one poor network quality area, wherein performing the at least one action based on the information regarding the at least one poor network quality area comprises at least one of: 
 reminding a driver of a poor network quality area; or 
 switching an automatic driving mode to a manual driving mode before the terminal device enters into the poor network quality area, 
 wherein the at least one poor network quality area is determined based on network status data from at least one of: 
 at least one terminal device, 
 a network device, or 
 an application server.